android: Migrate old content readback to use async readback (and delegated renderer)

content/browser/renderer_host/compositor_impl_android.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_IMPL_ANDROID_H_
 #define CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_IMPL_ANDROID_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/containers/scoped_ptr_hash_map.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/resources/ui_resource_client.h"
 #include "cc/trees/layer_tree_host_client.h"
 #include "cc/trees/layer_tree_host_single_thread_client.h"
 #include "content/browser/renderer_host/image_transport_factory_android.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/android/compositor.h"
 #include "third_party/khronos/GLES2/gl2.h"
 
 struct ANativeWindow;
 
 namespace cc {
 class InputHandlerClient;
 class Layer;
 class LayerTreeHost;
-class ScopedUIResource;
+class UIResourceClient;
 }
 
 namespace content {
 class CompositorClient;
 class GraphicsContext;
 
 // -----------------------------------------------------------------------------
 // Browser-side compositor that manages a tree of content and UI layers.
 // -----------------------------------------------------------------------------
 class CONTENT_EXPORT CompositorImpl
@@ skipping 17 matching lines @@
   virtual void SetVisible(bool visible) OVERRIDE;
   virtual void setDeviceScaleFactor(float factor) OVERRIDE;
   virtual void SetWindowBounds(const gfx::Size& size) OVERRIDE;
   virtual void SetHasTransparentBackground(bool flag) OVERRIDE;
   virtual bool CompositeAndReadback(
       void *pixels, const gfx::Rect& rect) OVERRIDE;
   virtual void Composite() OVERRIDE;
   virtual cc::UIResourceId GenerateUIResource(
       const cc::UIResourceBitmap& bitmap) OVERRIDE;
   virtual void DeleteUIResource(cc::UIResourceId resource_id) OVERRIDE;
-  virtual GLuint GenerateTexture(gfx::JavaBitmap& bitmap) OVERRIDE;
-  virtual GLuint GenerateCompressedTexture(
-      gfx::Size& size, int data_size, void* data) OVERRIDE;
-  virtual void DeleteTexture(GLuint texture_id) OVERRIDE;
-  virtual bool CopyTextureToBitmap(GLuint texture_id,
-                                   gfx::JavaBitmap& bitmap) OVERRIDE;
-  virtual bool CopyTextureToBitmap(GLuint texture_id,
-                                   const gfx::Rect& sub_rect,
-                                   gfx::JavaBitmap& bitmap) OVERRIDE;
+  virtual void SetNeedsCommit() OVERRIDE;

[powei, 2014/01/28 19:46:44]

Debug purpose only.  Will be removed.

 
   // LayerTreeHostClient implementation.
   virtual void WillBeginMainFrame(int frame_id) OVERRIDE {}
   virtual void DidBeginMainFrame() OVERRIDE {}
   virtual void Animate(double frame_begin_time) OVERRIDE {}
   virtual void Layout() OVERRIDE {}
   virtual void ApplyScrollAndScale(gfx::Vector2d scroll_delta,
                                    float page_scale) OVERRIDE {}
   virtual scoped_ptr<cc::OutputSurface> CreateOutputSurface(bool fallback)
       OVERRIDE;
   virtual void DidInitializeOutputSurface(bool success) OVERRIDE {}
   virtual void WillCommit() OVERRIDE {}
   virtual void DidCommit() OVERRIDE;
   virtual void DidCommitAndDrawFrame() OVERRIDE {}
   virtual void DidCompleteSwapBuffers() OVERRIDE;
   virtual scoped_refptr<cc::ContextProvider>
       OffscreenContextProvider() OVERRIDE;
 
   // LayerTreeHostSingleThreadClient implementation.
   virtual void ScheduleComposite() OVERRIDE;
   virtual void ScheduleAnimation() OVERRIDE;
   virtual void DidPostSwapBuffers() OVERRIDE;
   virtual void DidAbortSwapBuffers() OVERRIDE;
 
   // ImageTransportFactoryAndroidObserver implementation.
   virtual void OnLostResources() OVERRIDE;
 
  private:

[no sievers, 2014/01/28 20:47:21]

these 3 functions can go away also

[powei, 2014/01/29 13:53:17]

Done.

   GLuint BuildBasicTexture();
   GLenum GetGLFormatForBitmap(gfx::JavaBitmap& bitmap);
   GLenum GetGLTypeForBitmap(gfx::JavaBitmap& bitmap);
 
   scoped_refptr<cc::Layer> root_layer_;
   scoped_ptr<cc::LayerTreeHost> host_;
 
   gfx::Size size_;
   bool has_transparent_background_;
 
   ANativeWindow* window_;
   int surface_id_;
 
   CompositorClient* client_;
 
   scoped_refptr<cc::ContextProvider> null_offscreen_context_provider_;
 
-  typedef base::ScopedPtrHashMap<cc::UIResourceId, cc::ScopedUIResource>
+  typedef base::ScopedPtrHashMap<cc::UIResourceId, cc::UIResourceClient>
         UIResourceMap;
   UIResourceMap ui_resource_map_;
 
   gfx::NativeWindow root_window_;
 
   DISALLOW_COPY_AND_ASSIGN(CompositorImpl);
 };
 
 } // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_IMPL_ANDROID_H_